graphing calculator is recommended  a grain silo consists of a cylindrical main section and a hemispherical roof. if the volume of the silo (including the part inside the roof section) is 19,000 ft^3 and the cylindrical part is 30 ft tall, what is the radius of the silo, correct to the nearest tenth of a foot? r=_____ft

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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a graphing calculator is recommended 

a grain silo consists of a cylindrical main section and a hemispherical roof. if the volume of the silo (including the part inside the roof section) is 19,000 ft^3 and the cylindrical part is 30 ft tall, what is the radius of the silo, correct to the nearest tenth of a foot?

r=_____ft

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